Longo Modbus Products LMP-1.CA1M
Table 6: K1
K1.1
N.C.
Not connected
K1.2
GND
Ground
K1.3
7 .. 30 V DC
Power supply input
K1.4
Standard RS-485 A
Data receive/send line A
K1.5
Standard RS-485 B
Data receive/send line B
K1.6
N.C.
Not connected
Table 7: LEDs & Buttons
LED1: red
Communication
On: RS-485 communication fault
Off: RS-485 communication OK
LED2: green
Power supply
On: power supply OK
Off: power supply missing or power off
LED3: blue
Do not disturb
On: request active
Off: no request
LED4: blue
Room service
On: request active
Off: no request
LED5: red
FAULT “ X ”
On: RFID key standard NOK or ID card number wrong
Off: No tag in proximity
LED6: green
OK “
√
”
On: RFID key standard OK and ID card number valid
Off: No tag in proximity
LED7: blue
SOS
On: request active
Off: no request
LED8: blue
Occupied
On: request active
Off: no request
Table 8: S1
SELECTOR
Switch 1
Switch 2
User settings, from Modbus RTU registers
OFF
OFF
Not used
OFF
ON
Not used
ON
OFF
Default factory settings active,
19200bps/8 data bits/1 stop bit/EVEN
ON
ON
7
